:root{font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color-scheme:light dark;--bg: #0f172a;--card: #1e293b;--text: #e2e8f0;--muted: #94a3b8;--accent: #6366f1;--accent-hover: #4f46e5;--error: #f87171}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:var(--bg);color:var(--text);display:flex}#root{flex:1;display:flex}.center{flex:1;display:flex;align-items:center;justify-content:center;padding:1.5rem}.card{background:var(--card);padding:2rem;border-radius:16px;width:100%;max-width:380px;box-shadow:0 20px 50px #0006}h1{margin:0 0 .5rem;font-size:1.5rem}p.muted{color:var(--muted);margin-top:0}form{display:flex;flex-direction:column;gap:.85rem;margin-top:1.25rem}label{display:flex;flex-direction:column;gap:.35rem;font-size:.85rem;color:var(--muted)}input{padding:.7rem .8rem;border-radius:8px;border:1px solid #334155;background:#0f172a;color:var(--text);font-size:1rem}input:focus{outline:none;border-color:var(--accent)}button{padding:.75rem;border:none;border-radius:8px;background:var(--accent);color:#fff;font-size:1rem;font-weight:600;cursor:pointer;transition:background .15s ease}button:hover:not(:disabled){background:var(--accent-hover)}button:disabled{opacity:.6;cursor:not-allowed}button.secondary{background:transparent;border:1px solid #334155}.error{color:var(--error);font-size:.85rem;margin:0}.row{display:flex;justify-content:space-between;align-items:center;gap:1rem}.topnav{display:flex;align-items:center;gap:1rem;padding:.85rem 1.25rem;background:var(--card);border-bottom:1px solid #334155}.dash{flex:1;width:100%;max-width:1100px;margin:0 auto;padding:1.5rem}select{padding:.5rem .7rem;border-radius:8px;border:1px solid #334155;background:#0f172a;color:var(--text);font-size:.95rem}.rangebtns{display:flex;gap:.4rem}.rangebtns button{padding:.45rem .8rem;font-size:.85rem}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:1rem;margin-bottom:1.25rem}.stat{background:var(--card);border-radius:12px;padding:1rem 1.25rem;display:flex;flex-direction:column;gap:.35rem}.stat strong{font-size:1.25rem}.chartcard{background:var(--card);border-radius:12px;padding:1.25rem;margin-bottom:1.25rem}.chartcard h2{margin:0 0 1rem;font-size:1rem;color:var(--muted);font-weight:600}.navlink{color:var(--accent);text-decoration:none;font-size:.9rem;padding:.3rem .5rem;border-radius:6px}.navlink:hover{background:#1e293b}.graphwrap{display:flex;gap:1rem;align-items:flex-start}.graphmain{flex:1;min-width:0;background:var(--card);border-radius:12px;padding:.4rem;overflow:hidden}.panel{width:280px;flex-shrink:0;display:flex;flex-direction:column;gap:1rem}.legend{display:flex;flex-wrap:wrap;gap:.4rem .75rem;margin-bottom:.75rem}.legend span{display:inline-flex;align-items:center;gap:.35rem;font-size:.8rem}.legend i{width:10px;height:10px;border-radius:50%;display:inline-block}input[type=range]{accent-color:var(--accent)}